Question

Which of the following statements is wrong for arteries?
A.Arteries carry blood from the heart to different organs.
B.All arteries carry pure blood.
C.Blood flows in arteries in high pressure.
D.Arteries have thick and elastic walls.

Answer 1

Hint: Arteries are blood vessels that carry blood from the heart and transfer to other tissues of the body. It consists of a wider network of blood vessels. Blood pumped by the heart is distributed to various tissues and organs of the body through a network of arteries.

Complete answer:
It is a system that consists of a vast network of blood vessels which includes arteries, veins, and capillaries. Arteries are a type of blood vessels that carry blood away from the heart. Whereas veins carry blood back to the heart and capillaries are small blood vessels that distribute oxygenated blood from arteries to tissues in the body. We may know that our heart pumps blood that gets distributed throughout organs and tissues which is done with help of veins and arteries.

Let us now talk about the blood pumping process.
Blood is being pumped by the heart to flow throughout the body. The heart contracts and pushes the blood in the small lumen of the artery with great force which makes the blood flow under high pressure.
Blood flows out in a sudden and forceful stream from the heart in speed. The body consists of one-way valves to prevent blood from flowing backward.
The blood travels at a speed of 30 cm /sec in the major artery aorta.
Arteries are thick-walled muscular vessels as they carry the pumped blood from the heart at a high pressure to withstand the pressure the arteries are thick-walled.
Arteries are made of three layers : outer tunica adventitia, middle tunica media, and inner tunica. The intimate elastic nature of arteries helps them to produce enough pressure to push the blood and help it flow.

Hence, the correct answer is option (B)

Note: Arteries are a type of blood vessels that carry blood away from the heart. Whereas veins carry blood back to the heart and capillaries are small blood vessels that distribute oxygenated blood from arteries to tissues in the body.